WO2011055687A1 - Structure d'installation de batterie pour automobile électrique - Google Patents

Structure d'installation de batterie pour automobile électrique Download PDF

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Publication number
WO2011055687A1
WO2011055687A1 PCT/JP2010/069251 JP2010069251W WO2011055687A1 WO 2011055687 A1 WO2011055687 A1 WO 2011055687A1 JP 2010069251 W JP2010069251 W JP 2010069251W WO 2011055687 A1 WO2011055687 A1 WO 2011055687A1
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WO
WIPO (PCT)
Prior art keywords
battery case
battery
corner
guide
protrusion
Prior art date
Application number
PCT/JP2010/069251
Other languages
English (en)
Japanese (ja)
Inventor
尾島　嘉男
直弥 梅山
Original Assignee
株式会社 豊田自動織機
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社 豊田自動織機 filed Critical 株式会社 豊田自動織機
Priority to EP10828247.6A priority Critical patent/EP2497664B1/fr
Priority to US13/505,125 priority patent/US8511413B2/en
Priority to CN201080048802.XA priority patent/CN102666165B/zh
Publication of WO2011055687A1 publication Critical patent/WO2011055687A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66—Arrangements of batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438—Arrangement under the floor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0455—Removal or replacement of the energy storages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0455—Removal or replacement of the energy storages
    • B60K2001/0472—Removal or replacement of the energy storages from below
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the present invention relates to a battery mounting structure for an electric vehicle.
  • Patent Document 1 discloses a technique related to a battery mounting structure of an electric vehicle that employs a battery replacement system.
  • the document 1 discloses a battery exchange device for an electric vehicle.
  • the battery exchange device detaches a battery unit from a lower part of the electric vehicle to a housing part of a vehicle body.
  • This battery exchange device includes a lifting unit that moves up and down by placing a battery unit, a position detection unit that detects the position of the storage unit, and a position at which the battery unit mounted on the lifting unit is aligned with the storage unit And a mating section.
  • the alignment unit aligns the battery unit with the storage unit based on the result of the position detection of the storage unit by the position detection unit.
  • Patent Document 2 discloses another technique related to a battery mounting structure of an electric vehicle.
  • the document 2 discloses a battery device mounting structure.
  • a lock member is attached to a battery storage part of a vehicle, and a striker held by the lock member is attached to the battery device. Yes.
  • the striker is held by the lock member, the battery device is attached to the storage unit.
  • this mounting structure includes a rattling prevention unit for preventing the battery device from rattling with respect to the storage unit.
  • the rattling prevention unit includes an elastic contact member provided in the battery device and an elastic receiving member attached to the storage unit. When the contact member is pressed against the receiving member, rattling of the battery device with respect to the storage portion is prevented.
  • the receiving member includes a receiving surface that is inclined with respect to the mounting direction of the battery device.
  • the contact member includes a contact surface substantially parallel to the receiving surface. The inclined receiving surface and contact surface facilitate attachment of the battery device to the storage unit.
  • JP-A-6-262951 Japanese Patent Laid-Open No. 2003-11897
  • An object of the present invention is to guide a battery case to a battery case housing portion while suppressing the occurrence of vibration even if a displacement occurs between the battery case and the battery case housing portion before being mounted on a vehicle.
  • An object is to provide a battery mounting structure for an electric vehicle.
  • a battery mounting structure for an electric vehicle including a battery case, a battery case housing portion, a battery fixing mechanism, and a battery case guide mechanism is provided.
  • the battery case contains a battery cell.
  • the battery case housing portion is provided on the body of the electric vehicle.
  • the battery case accommodation part can accommodate the battery case.
  • the battery fixing mechanism fixes the battery case accommodated in the battery case accommodating portion to the vehicle body.
  • the battery case guide mechanism guides the battery case to the battery case housing portion when the battery case is raised from below the vehicle body and housed in the battery case housing portion.
  • the battery case includes four side surfaces, a first corner, and a second corner. The four sides face the front, back, left and right.
  • the first corner is formed by two first side surfaces orthogonal to each other among the four side surfaces.
  • the second corner is formed by the remaining two second side surfaces orthogonal to each other among the four side surfaces.
  • the battery case guide mechanism includes a case side member and a vehicle body side member.
  • the case-side member is provided at a site near the first corner on each first side surface and a site near the second corner on each second side surface.
  • the vehicle body side member is provided on the vehicle body. The vehicle body side member can contact the case side member.
  • One of the case side member and the vehicle body side member has a convex curved surface, and the other has an inclined surface that can come into contact with the convex curved surface.
  • the convex curved surface is a convex curved surface that makes line contact or point contact with a flat surface, and includes, for example, a spherical surface, a circular arc surface, an elliptical arc, and the like.
  • the term “near the corner of each side surface” as used herein refers to the corresponding corner side from the center on each side surface.
  • the present invention even if a positional deviation between the battery case before mounting and the battery case housing portion provided in the vehicle occurs, a convexity is generated when the case side member and the vehicle body side member slide while the battery case is being guided. There is almost no change in the contact state between the curved surface and the tapered surface, and the sliding resistance between the convex curved surface and the tapered surface hardly fluctuates as compared with the prior art. Therefore, even if the battery case and the battery case housing portion on the vehicle side are displaced before the battery case is mounted, the occurrence of vibration can be suppressed in the guidance of the battery case to the battery case housing portion.
  • the convex curved surface is formed of a spherical surface. According to this, since the contact between the convex curved surface formed by the spherical surface and the tapered surface is always a point contact, the convex curved surface and the tapered surface can be obtained even when the battery case and the battery case housing portion are displaced due to the inclination. The variation of the sliding resistance can be almost eliminated.
  • the convex curved surface is formed by an arc surface. According to this, the contact between the convex curved surface formed by the circular arc surface and the tapered surface is always a line contact. For this reason, if the displacement is caused by the inclination of the battery case and the battery case housing portion in a specific direction in which the line contact between the convex curved surface and the tapered surface is maintained, the fluctuation of the sliding resistance between the convex curved surface and the tapered surface Can be almost eliminated.
  • the planar shape of the battery case is a square, and the first corner and the second corner are diagonally located. According to this, since the battery case having a square shape in plan view is positioned at the first corner and the second corner that are farthest from each other, the battery case can be positioned with high accuracy with respect to the battery case housing portion. Can do.
  • FIG. 3A is a cross-sectional view taken along line 3-3 in FIG. 2
  • FIG. 3B is a perspective view of a front protrusion.
  • the principal part top view which shows contact
  • (A) is a fracture view which shows the principal part of the battery guide mechanism which concerns on the 4th Embodiment of this invention
  • (b) is a perspective view of the front protrusion which concerns on the 4th Embodiment.
  • the electric vehicle 10 in the present embodiment employs a battery replacement system, and uses a battery cell C in a detachable battery case 20 as a driving power source.
  • the battery case 20 is removed from the battery case housing portion 44 of the electric vehicle 10 at the battery exchange station 11, and the battery case 20 containing the charged battery cell C is separately installed. It is mounted in the battery case housing portion 44.
  • FIG. 1 shows a battery exchange station 11 for exchanging the battery case 20 of the electric vehicle 10.
  • the battery exchange station 11 includes a stop pit 12 where the electric vehicle 10 stops, and a battery exchanger 14 installed on the floor surface F so as to be positioned in the space portion S below the stop pit 12.
  • the stop pit 12 has an opening 13 that communicates with the space S, and the opening 13 has a shape and a size that allow the battery case 20 to pass therethrough.
  • the battery exchanger 14 includes a mounting table 15 on which the battery case 20 is mounted, a conveyor 16 that conveys the battery case 20 between the mounting table 15 and a location away from the mounting table 15, and a vertical movement of the mounting table 15. And an elevator 17 to be operated.
  • the battery case 20 of the present embodiment has a square plan view shape and includes four side surfaces facing front, rear, left and right. A large number of battery cells C are built in the battery case 20.
  • the battery case 20 includes a connector (not shown) for taking out the electric power charged in the battery cell C and taking in the regenerated electric power.
  • the side surface facing the front side of the electric vehicle 10 is defined as a front side surface 21 (first side surface).
  • the side surface facing the side is the rear side surface 22 (second side surface), the side surface facing the right side of the electric vehicle 10 is the right side surface 23 (first side surface), and the side surface facing the left side of the electric vehicle 10 is the left side surface 24 (second side surface). ).
  • the battery case 20 has four corners.
  • the four corners are a front right corner 25 formed by orthogonally intersecting the front side surface 21 and the right side surface 23, a left front corner portion 26 formed orthogonally by the front side surface 21 and the left side surface 24, and a rear side surface.
  • 22 is a right rear corner portion 27 in which the right side surface 23 and the right side surface 23 are orthogonally crossed, and a left rear corner portion 28 in which the rear side surface 22 and the left side surface 24 are orthogonally formed.
  • the right front corner 25 corresponds to the first corner
  • the left rear corner 28 corresponds to the second corner.
  • the right front corner 25 and the left rear corner 28 are located diagonally in the battery case 20.
  • a front striker 29 that protrudes in a direction perpendicular to the front side surface 21 (frontward) is provided at a portion of the front side surface 21 near the right front corner 25 and a portion near the left front corner 26.
  • a right striker 30 that protrudes in a direction perpendicular to the right side surface 23 (right direction) is provided at a portion near the right rear corner portion 27 on the right side surface 23, and close to the left rear corner portion 28 on the left side surface 24.
  • the left striker 31 that protrudes in the direction perpendicular to the left side surface 24 (leftward direction) is provided in this part.
  • a front protrusion 32 is provided as a case side member of the battery case guide mechanism.
  • a right protrusion 33 as a case side member of the battery case guide mechanism is provided at a portion near the right front corner 25 of the right side surface 23.
  • the front protrusion 32 and the right protrusion 33 are protrusions provided at portions near the right front corner 25 of the side surfaces 21 and 23 that form the right front corner 25.
  • a rear protrusion 34 as a case side member of the battery case guide mechanism is provided at a portion of the rear side surface 22 near the left rear corner portion 28.
  • a left protrusion 35 as a case side member of the battery case guide mechanism is provided at a portion of the left side surface 24 near the left rear corner 28.
  • the rear protrusion 34 and the left protrusion 35 are protrusions provided at portions near the left rear corner 28 of the side surfaces 22 and 24 that form the left rear corner 28.
  • the front protrusion 32, the right protrusion 33, the rear protrusion 34, and the left protrusion 35 have basically the same structure, and only the front protrusion 32 will be described here, and the right protrusion 33, the rear protrusion The description of the body 34 and the left protrusion 35 is omitted.
  • the front protrusion 32 is fixed to a support plate 36 having an L-shaped cross section fixed to the front side surface 21 of the battery case 20 via bolts 37 and nuts 38. Yes.
  • the front protrusion 32 is made of a hard resin, for example, a nylon hard resin.
  • the front protrusion 32 has a tip surface 39.
  • the front end surface 39 includes a lower end surface 39A and an upper end surface 39B.
  • the lower end surface 39A is a curved vertical surface curved in the horizontal direction
  • the upper end surface 39B is formed by a convex curved surface.
  • the convex curved surface is constituted by a spherical surface, and even if the convex curved surface is broken in the vertical direction or the horizontal direction, the broken convex curved surface is arc-shaped.
  • the upper end of the upper side portion 40 corresponding to the upper end surface 39 ⁇ / b> B protrudes upward from the upper surface of the battery case 20.
  • the battery case 20 Since the upper end of the upper portion 40 protrudes upward from the upper surface of the battery case 20, the battery case 20 is directly attached to the vehicle body 10 ⁇ / b> A when the battery case 20 is raised to be accommodated in the battery case accommodating portion 44. Interference with is suppressed.
  • a battery case housing portion 44 having a space for housing the battery case 20 is formed in the lower portion of the vehicle body 10 ⁇ / b> A of the electric vehicle 10.
  • the battery case housing portion 44 is partitioned by a rectangular frame 45 provided on the vehicle body 10A.
  • the rectangular frame 45 has a front frame body 46, a rear frame body 47, a right frame body 48 and a left frame body 49.
  • Front latch mechanisms 51 are provided near both ends of the front frame body 46, respectively.
  • the front latch mechanism 51 locks (fixes) or forcibly releases the latch 51A engaged with the front striker 29 of the battery case 20 and the latch 51A engaged with the front striker 29.
  • a drive unit 51B is provided on the inner side surface 46A of the front frame body 46 facing the battery case housing portion 44, and the drive portion 51B is provided on the outer side surface 46B of the front frame body 46.
  • the right frame body 48 is provided with a right latch mechanism 52.
  • the right latch mechanism 52 locks (fixes) or forcibly releases the latch portion 52A that engages with the right striker 30 of the battery case 20 and the latch portion 52A that engages with the right striker 30.
  • a drive unit 52B a drive unit 52B.
  • the latch portion 52A is provided on the inner side surface 48A of the right frame body 48 facing the battery case housing portion 44, and the drive portion 52B is provided on the outer side surface 48B of the right frame body 48.
  • the left frame body 49 is provided with a left latch mechanism 53.
  • the left latch mechanism 53 locks (fixes) or forcibly releases the latch portion 53A engaged with the left striker 31 of the battery case 20 and the latch portion 53A engaged with the left striker 31.
  • the latch portion 53A is provided on the inner side surface 49A of the left frame body 49 facing the battery case housing portion 44, and the drive portion 53B is provided on the outer side surface 49B of the left frame body 49.
  • a front guide body 55 as a vehicle body side member of the battery case guide mechanism is provided on the inner side surface 46A of the front frame body 46.
  • a right portion guide body 56 is provided as a vehicle body side member of the battery case guide mechanism.
  • the front guide body 55 and the right guide body 56 are a front projection 32 and a right projection that are provided at portions near the right front corner 25 of the side surfaces 21 and 23 that form the right front corner 25 of the battery case 20. 33 is a member that can come into contact with each other.
  • a rear guide body 57 as a vehicle body side member of the battery case guide mechanism is provided on the inner side surface 47A of the rear frame body 47.
  • a left guide body 58 as a vehicle body side member of the battery case guide mechanism is provided on the inner side surface 49A of the left frame body 49.
  • the rear guide body 57 and the left guide body 58 are the rear protrusion 34 and the left protrusion provided on the side surfaces 22 and 24 of the battery case 20 near the left rear corner 28.
  • 35 is a member that can abut each of the members 35.
  • the front guide body 55, the right guide body 56, the rear guide body 57, and the left guide body 58 of the present embodiment have basically the same structure.
  • the front guide body 55 is fixed by bolts 60 to a support plate 59 having a wedge-shaped cross section fixed to the inner side surface 46 ⁇ / b> A and the outer side surface 46 ⁇ / b> B of the front frame body 46.
  • the front guide body 55 is formed of a hard resin, thereby improving the slidability with respect to the front protrusion 32 when the battery case 20 is replaced, and generating abnormal noise when sliding with the front protrusion 32. We are trying to suppress it.
  • the front guide body 55 has an inner side surface 61 facing the battery case housing portion 44, and the inner side surface 61 has an upper inner side surface 61A and a lower inner side surface 61B.
  • the upper inner side surface 61A is a vertical surface
  • the lower inner side surface 61B is an inclined surface inclined toward the outside of the front frame body 46.
  • the vertical surface 61A extends downward from the bottom surface 46C of the front frame body 46, and the inclined surface 61B continuously extended from the vertical surface 61A is inclined so as to go outward from the front frame body 46.
  • the lower end of the front guide body 55 is located between the inner side surface 46A and the outer side surface 46B (specifically, closer to the outer side surface 46B) below the bottom surface 46C of the front frame body 46.
  • the inclined surface 61B and the vertical surface 61A of the front guide body 55 are in contact with the front protrusion 32 when the battery case 20 is replaced.
  • the battery mounting structure of the present embodiment includes the battery case 20, the battery case accommodating portion 44, the battery fixing mechanism (the strikers 29 to 31 and the latch mechanisms 51 to 53), and the battery case guide mechanism (the projecting body 32).
  • the protrusions 32 and 34 and the corresponding guide bodies 55 and 57 are elements for positioning the battery case 20 in the front-rear direction.
  • the protrusions 33 and 35 and the corresponding guide bodies 56 and 58 are the elements of the battery case 20. This is an element for positioning in the left-right direction.
  • the electric vehicle 10 is stopped on the stop pit 12 of the battery exchange station 11. At this time, the positioning of the vehicle body 10 ⁇ / b> A with respect to the stop pit 12 is performed so that the battery case housing portion 44 is located at a position facing the opening 13.
  • the battery case 20 that has consumed most of the electric power in the battery cell C is removed from the battery case housing portion 44, and the battery case housing portion 44 of the electric vehicle 10 is left empty.
  • the battery case 20 to be mounted is transported by the conveyor 16 and placed in advance on the mounting table 15 of the battery exchanger 14.
  • the elevator 17 is operated to raise the mounting table 15 and bring the battery case 20 closer to the battery case housing portion 44 of the vehicle body 10A.
  • the battery case 20 When the battery case 20 continues to rise, the battery case 20 is accommodated in the battery case accommodating portion 44.
  • the strikers 29 to 31 are engaged by the corresponding latch mechanisms 51 to 53. Thereafter, the drive units 51B to 53B are driven to lock the latch units 51A to 53A, and the corresponding strikers 29 to 31 are held in a state in which they cannot be detached from the latch mechanisms 51 to 53.
  • the battery case 20 and the battery case accommodating portion 44 are caused by the tire pressure, the tire direction variation, and the like. There may be a case where a slight misalignment occurs between the two.
  • the positional deviation between the battery case 20 and the battery case accommodating portion 44 the positional deviation between the battery case 20 and the battery case accommodating portion 44 in the front-rear direction and the left-right direction can be considered.
  • the front projection The upper end surface 39B of the body 32 makes point contact with the lower inner side surface 61B of the front guide body 55.
  • the front protrusion 32 rises while being in sliding contact with the lower inner side surface 61B of the front guide body 55.
  • the battery case 20 moves backward while rising.
  • the battery case 20 is moved to the battery case housing portion as shown by a two-dot chain line in FIG. It is guided to a position that can be accommodated in 44. In this state, the battery case 20 is positioned in the front-rear and left-right directions with respect to the battery case housing portion 44 under the restriction of the guide bodies 55 to 58 via the protrusions 32 to 35. When the battery case 20 is further raised, the battery case 20 is accommodated in the battery case accommodating portion 44. When the battery case 20 is accommodated in the battery case accommodating portion 44, the latch mechanisms 51 to 53 hold the corresponding strikers 29 to 31, and the battery case 20 is fixed to the vehicle body 10A.
  • the displacement is caused by the contact between the rear projection 34 and the rear guide body 57 and the rear projection 34 by the rear guide 57. It is solved by guidance. Further, when the battery case 20 is slightly displaced to the right or left from the optimum position, the displacement is caused by the contact between the right protrusion 33 and the right guide body 56 and the right guide body 56. The guide of the right projection 33 by the above, or the contact between the left projection 35 and the left guide body 58 and the guidance of the left projection 35 by the left guide body 58 are eliminated.
  • the positional deviation in the front-rear direction and the positional deviation in the left-right direction are the guides corresponding to the protrusions 32 to 34, respectively. It is eliminated simultaneously by abutting on the bodies 55 to 58 and being guided along the guide bodies 55 to 58.
  • the positional displacement caused when one of the battery case 20 and the battery case housing portion 44 is inclined with respect to the other. can occur.
  • Such a positional shift of the battery case 20 can occur, for example, when the vehicle body 10A is tilted up and down with respect to the front-rear direction and the left-right direction, or when the vehicle body 10A is stopped from an appropriate direction when the vehicle is stopped. .
  • the battery case 20 is displaced by tilting with respect to the battery case housing portion 44, whereby the rear protrusion 34 abuts on the rear guide body 57, and the left protrusion 35 is in contact with the left guide body 58.
  • each convex curved surface in the rear projection 34 and the left projection 35 is formed by a spherical surface, the convex curved surface of the rear projection 34 makes point contact with the inclined surface of the rear guide 57, and the left projection.
  • the convex curved surface at 35 is in point contact with the inclined surface of the left guide body 58.
  • the rear protrusion 34 is guided while being in sliding contact with the inclined surface of the rear guide body 57, and the left protrusion 35 is inclined by the left guide body 58. Guided while sliding on the surface. While the rear guide body 57 is guided along the inclined surface of the rear protrusion 34 and the left guide body 58 is guided along the inclined surface of the left protrusion 35, the battery case housing portion of the battery case 20 is provided. The tilt with respect to 44 is corrected.
  • the convex curved surfaces of the protrusions 34 and 35 are formed by spherical surfaces.
  • the state of point contact between the 35 convex curved surfaces and the corresponding tapered surfaces is basically unchanged. For this reason, even if the attitude of the battery case 20 changes during guidance, the sliding resistance between the protrusions 34 and 35 and the corresponding guide bodies 57 and 58 does not vary greatly.
  • This embodiment has the following advantages. (1) Even if the battery case 20 mounted on the mounting table 15 and the battery case housing portion 44 provided on the vehicle body 10A are misaligned, the battery case 20 is guided to the battery case housing portion 44.
  • the contact between the convex curved surfaces of the protrusions 32 to 35 and the corresponding inclined surfaces (guide surfaces) of the guide bodies 55 to 58 is always point contact, and the fluctuation of the sliding resistance between the convex curved surface and the inclined surface is the conventional. It is suppressed in comparison. Therefore, even if a positional deviation occurs between the battery case 20 and the battery case housing portion 44 provided in the vehicle body 10A, it is possible to suppress the occurrence of vibrations and noise due to the positional deviation.
  • the front protrusion 32 and the right protrusion 33 are provided in the battery case 20 near the right front corner 25, the front protrusion 32 and the right protrusion that are perpendicular to each other at the right front corner 25. 33 is in close proximity. Further, since the rear protrusion 34 and the left protrusion 35 are provided in the battery case 20 near the left rear corner 28, the rear protrusion 34 and the left protrusion 35 that are perpendicular to each other in the left rear corner 28. Is in close proximity. Therefore, coupled with the fact that the right front corner 25 and the left rear corner 28 exist on the diagonal of the battery case 20, the protrusions 32 to 35 are guided to the corresponding guide bodies 55 to 58, respectively. Accordingly, the battery case 20 can be positioned with high accuracy with respect to the battery case housing portion 44.
  • the battery case 20 Since the contact state between the convex curved surfaces of the protrusions 32 to 35 and the inclined surfaces of the guide bodies 55 to 58 is point contact, the battery case 20 is inclined in any direction with respect to the vehicle body 10A. Even in this state, fluctuations in sliding resistance between the convex curved surface and the inclined surface can be suppressed as compared with the conventional case.
  • the battery case guide mechanism is constituted by the four protrusions 32 to 35 of the battery case 20 and the four guide bodies 55 to 58 of the vehicle body corresponding to the protrusions 32 to 35, the battery case The number of parts of the guide mechanism can be reduced. By reducing the number of parts of the battery case guide mechanism, the manufacturing cost and weight of the battery mounting structure can be reduced.
  • each of the protrusions 32 to 35 and the corresponding guide bodies 55 to 58 are made of hard resin, the slidability between the protrusions 32 to 35 and the guide bodies 55 to 58 is It is good and can stably guide the battery case 20 to the battery case housing portion 44. Further, it is possible to suppress the occurrence of vibrations and abnormal noises when the protrusions 32 to 35 and the guide bodies 55 to 58 are in sliding contact.
  • This embodiment is different from the first embodiment in that the guide bodies 55 to 58 are provided on the battery case 20 as case side members, and the protrusions 32 to 35 are provided on the rectangular frame 45 as vehicle body side members.
  • the same reference numerals are used for the elements common to the first embodiment, and the description thereof is omitted.
  • the battery case 20 of the battery mounting structure according to the present embodiment has four side surfaces facing the front, rear, left and right sides and four corners (right front corner, left front corner, right rear corner, and left rear corner). It has.
  • the battery case 20 includes a striker (not shown) having the same configuration as that of the first embodiment.
  • FIG. 8 is a cutaway view showing the main part of the battery guide mechanism according to the second embodiment, from the front guide body 71 provided on the front side surface 21 of the battery case 20 and the inner side surface 46A of the front frame body 46.
  • the front protrusion 75 provided so as to protrude rearward is also shown.
  • a front guide body 71 as a case side member of the battery case guide mechanism is provided at a part of the battery case 20 near the right front corner 25 of the front side surface 21. As shown in FIG. 8, the front guide body 71 is fixed to the support plate 72 provided on the front side surface 21 of the battery case 20 by bolts (not shown).
  • the front guide body 71 is formed of a hard resin.
  • the outer side surface 73 which becomes the front side surface of the front guide body 71 has a lower outer side surface 73A and an upper outer side surface 73B.
  • the lower outer surface 73 ⁇ / b> A is a vertical surface
  • the upper outer surface 73 ⁇ / b> B is formed by an inclined surface that is inclined so as to approach the battery case 20.
  • the upper end of the front guide body 71 extends upward from the upper surface of the battery case 20, and the inclined surface extends further to the rear than the front side surface 21 of the battery case 20. Since the upper end of the front guide body 71 protrudes upward from the upper surface of the battery case 20, when the battery case 20 is raised, direct interference between the battery case 20 and the vehicle body 10A is suppressed.
  • the inclined surface 73B and the vertical surface 73A of the front guide body 71 are in contact with the front protrusion 75 of the vehicle body 10A when the battery case 20 is replaced.
  • a right guide body is provided on the right side surface 23 of the battery case 20 near the right front corner 25, and a rear guide body is provided on the rear side 22 near the left rear corner 28.
  • a left guide body is provided in a portion of the left side surface 24 near the left rear corner 28.
  • the guide bodies as these case side members have the same configuration as the front guide body 71.
  • a support plate 76 bent in a crank shape is fixed to the bottom surface 46C of the front frame body 46.
  • a front protrusion 75 is fixed to the support plate 76 by bolts 77 and nuts 78.
  • the front protrusion 75 is made of a hard resin.
  • the front protrusion 75 has a front end surface 79 that is a surface facing the battery case 20, and the front end surface 79 includes an upper single surface 79A and a lower end surface 79B.
  • the upper end surface 79A is a curved vertical surface
  • the lower end surface 79B is formed by a convex curved surface.
  • the convex curved surface is constituted by a spherical surface, and even if the convex curved surface is broken in the vertical direction or the horizontal direction, the broken convex curved surface is arc-shaped.
  • protrusions corresponding to the right guide body, the rear guide body, and the left guide body are provided as vehicle body side members, respectively, and the configuration of these protrusions is the same as that of the protrusion 75.
  • the present embodiment even if the battery case 20 has a front / rear / left / right position shift or a position shift due to a tilt relative to the battery case housing portion 44, the inclined surface of the protrusion of the vehicle body 10A to which each guide body of the battery case 20 corresponds.
  • the point contact state between the convex curved surface and the inclined surface is basically unchanged, and the sliding resistance between each projection and each corresponding guide does not vary greatly. . Therefore, the present embodiment has almost the same advantages as the first embodiment.
  • the battery case 80 of the third embodiment has a notch 85 and is different from the first and second embodiments in that the shape of the battery case 80 in plan view is not square.
  • the same reference numerals are used for the elements common to the first embodiment, and the description thereof is omitted.
  • FIG. 9 is a plan view of the battery case 80 according to the present embodiment.
  • a rectangular notch 85 is formed at the right front corner of the battery case 80 shown in FIG.
  • the battery case 80 includes a notched right side 89 and a notched front side 90 in addition to the front side 81, the rear side 82, the right side 83 and the left side 84.
  • the notch right side 89 and the notch front side 90 define a notch 85.
  • the notched right side surface 89 is a surface parallel to the right side surface 83
  • the notched front side surface 90 is a surface parallel to the front side surface 81. For this reason, the notch front side surface 90 and the notch right side surface 89 are orthogonal to each other.
  • the battery case 80 includes a left front corner 86 in which a front side 81 and a left side 84 are orthogonally formed, a right rear corner 87 in which a rear side 82 and a right side 83 are orthogonally formed, and a rear side. 82 and the left side surface 84 have a left rear corner 88 formed orthogonally. Since the notch 85 is formed in the battery case 80, the notch front corner 91 defined by the front side 81 and the notch right side 89 and the right side 83 are formed at the right front corner of the battery case 80. And a notch right corner 92 defined by the notch front side surface 90 and a notched corner 93 defined by the notch right side surface 89 and the notch front side surface 90.
  • the notched front corner portion 91 in which the front side surface 81 and the notched right side surface 89 are formed orthogonal to each other corresponds to the first corner portion, and the rear side surface 82 and the left side surface 84 that are the remaining side surfaces.
  • the left rear corner 88 formed so as to be orthogonal to each other corresponds to the second corner.
  • the notched front corner portion 91 and the left rear corner portion 88 are positioned substantially diagonally in the battery case 80.
  • the battery case 80 according to the present embodiment has a total of six side surfaces facing the front, rear, left and right sides.
  • a front striker 29 is provided at the left front corner 86 of the front side 81 and protrudes in a direction (front) perpendicular to the front side 81.
  • the notch front side surface 90 is provided with another front striker 29 that protrudes in a direction (forward) perpendicular to the notch front side surface 90.
  • a right striker 30 is provided in a portion of the right side surface 83 near the right rear corner 87
  • a left striker 31 is provided in a portion of the left side surface near the left rear corner 88.
  • Each striker 29 to 31 has the same configuration as each striker 29 to 31 of the first embodiment.
  • These strikers 29 to 31 constitute a part of a battery fixing mechanism that fixes the battery case 80 to the electric vehicle 10.
  • latch mechanisms 51 to 53 for holding the strikers 29 to 31 are provided in the vehicle body 10A.
  • Each striker 29 to 31 and each latch mechanism 51 to 53 correspond to a battery fixing mechanism.
  • a front protrusion 32 as a case side member of the battery case guide mechanism is provided at a portion of the front side 81 near the notch front corner 91.
  • a right protrusion 33 as a case side member of the battery case guide mechanism is provided at a portion near the notch front corner 91 of the notch right side surface 89.
  • the front protrusion 32 and the right protrusion 33 are protrusions provided at portions near the notch front corner 91 of the side surfaces 81 and 89.
  • a rear projection 34 is provided in a portion of the rear side 82 near the left rear corner 88, and a left projection 35 is provided in a portion of the left side near the left rear corner 88. Yes.
  • the rear protrusion 34 and the left protrusion 35 are case-side members of the battery case guide mechanism, and are protrusions provided at portions of the side surfaces 82 and 84 near the left rear corner 88.
  • guide bodies 55 to 58 corresponding to the front protrusion 32, the right protrusion 33, the rear protrusion 34, and the left protrusion 35 are respectively provided in the vehicle body 10A.
  • the guide bodies 55 to 58 corresponding to the projection bodies 32 to 35 have the same configuration as the guide bodies 55 to 58 of the first embodiment, and constitute a battery guide mechanism together with the projection bodies 32 to 35.
  • the shape of the battery case 80 in plan view is not square, but the notched front corner portion 91 and the left rear corner portion 88 are located at substantially diagonal positions farthest from each other in the battery case 80. Therefore, the third embodiment has almost the same advantage as the first embodiment.
  • FIG. 10A is a cutaway view showing a main part of the battery guide mechanism according to the present embodiment.
  • the front protrusion 101 provided on the front side 21 of the battery case 20 and the inner side of the front frame 46 are shown in FIG.
  • the provided front guide body 55 is shown.
  • FIG. 10B is a perspective view of the front protrusion 101 according to this embodiment.
  • the 10A is an L-shaped cross section fixed to the front side surface 21 of the battery case 20.
  • the support plate 36 is fixed with bolts 37 and nuts 38.
  • the front protrusion 101 is made of resin. As shown in FIGS. 10A and 10B, the front protrusion 101 has a tip surface 102.
  • the distal end surface 102 includes a lower end surface 102A and an upper end surface 102B.
  • the lower end surface 102A is a vertical surface
  • the upper end surface 102B is formed by a convex curved surface.
  • the convex curved surface is formed by a circular arc surface, and the circular arc surface is an arc surface whose slope with respect to the horizontal becomes gentler from the bottom to the top.
  • the battery case 20 is inclined forward and backward with respect to the horizontal direction.
  • the battery case 20 is displaced with respect to the battery case housing portion 44 (indicated by a two-dot chain line in FIG. 10A).
  • the convex curved surface 102B of the front protrusion 101 comes into line contact with the inclined surface 61B of the lower inner surface 61B of the front guide 55 while the battery case 20 is raised.
  • the front protrusion 101 is guided while being in sliding contact with the inclined surface of the front guide body 55, the state of line contact between the convex curved surface and the inclined surface is basically unchanged, and the front protrusion 101 and the front portion are not changed.
  • the sliding resistance with the guide body 55 hardly varies. Therefore, the fourth embodiment has almost the same advantage as the first embodiment as long as the contact state between the convex curved surface and the inclined surface does not change.
  • the present invention is not limited to the above embodiment, and various modifications can be made within the scope of the gist of the invention.
  • the material for forming the protrusion as the case side member and the guide body as the vehicle body side member is hard resin, but the case side member and the vehicle body side member are The material to be formed is not limited to resin, and any material can be used as long as it satisfies sliding performance, wear resistance performance, and rust prevention function.
  • a surface of a predetermined metal material may be coated with a fluorocarbon resin (for example, “polytetrafluoroethylene”).
  • a surface of a predetermined metal material may be plated.
  • the battery fixing mechanism is constituted by a striker and a latch mechanism.
  • the mechanism or means for fixing the battery to the vehicle body is not limited to the striker and the latch mechanism, and may be any mechanism that can fix the battery to the vehicle body and release the fixed state.
  • the present invention is not necessarily limited thereto. That is, the side surface of the battery case may be inclined with respect to the front-rear and left-right directions of the electric vehicle.
  • the tip end surface of the protrusion has a lower part (or upper part) having a vertical surface and an upper part (or lower part) having a convex curved surface.
  • the surface may have a shape including only a convex curved surface.
  • the tip surface of the protrusion is a combination of a convex curved surface and a curved vertical surface (or vertical surface), but the tip surface may be formed only by a convex curved surface.
  • each battery case has four sides facing front, rear, left and right, but the battery case only needs to have at least four sides facing front, rear, left and right.
  • a side surface that is inclined with respect to the front-rear direction and the left-right direction and an indeterminate side surface may be provided.

Abstract

La présente invention se rapporte à une structure d'installation de batterie pour automobile électrique. Un dispositif de guidage de boîtier de batterie guide le boîtier de batterie précité vers une section logement pour boîtier de batterie. Le dispositif de guidage de boîtier de batterie est pourvu de parties saillantes et de parties de guidage. Les parties saillantes sont disposées sur une zone proche du coin avant droit sur la surface latérale avant du boîtier de batterie, une zone proche du coin avant droit sur la surface latérale droite de celui-ci, une zone proche du coin arrière gauche sur la surface latérale arrière de celui-ci, et une zone proche du coin arrière gauche sur la surface latérale gauche de celui-ci. Les parties de guidage sont disposées sur la carrosserie d'automobile précitée. Les parties de guidage peuvent être contiguës aux parties saillantes. Des deux catégories de parties précitées, à savoir les parties saillantes et les parties de guidage, celles d'une première catégorie présentent chacune une surface incurvée convexe, et celles de l'autre catégorie présentent chacune une surface inclinée pouvant être contiguë à la surface incurvée convexe.
PCT/JP2010/069251 2009-11-06 2010-10-29 Structure d'installation de batterie pour automobile électrique WO2011055687A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10828247.6A EP2497664B1 (fr) 2009-11-06 2010-10-29 Structure d'installation de batterie pour automobile électrique
US13/505,125 US8511413B2 (en) 2009-11-06 2010-10-29 Battery installation structure for electric automobile
CN201080048802.XA CN102666165B (zh) 2009-11-06 2010-10-29 电动汽车的电池安装构造

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009254510A JP5136539B2 (ja) 2009-11-06 2009-11-06 電気自動車のバッテリ搭載構造
JP2009-254510 2009-11-06

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WO2011055687A1 true WO2011055687A1 (fr) 2011-05-12

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US (1) US8511413B2 (fr)
EP (1) EP2497664B1 (fr)
JP (1) JP5136539B2 (fr)
CN (1) CN102666165B (fr)
WO (1) WO2011055687A1 (fr)

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EP2679456A1 (fr) * 2012-06-27 2014-01-01 Kookmin University Industry Academy Cooperation Foundation Système de station de charge de type échange de batterie pour véhicule électrique
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EP3336929A4 (fr) * 2016-08-10 2019-08-21 Nio Nextev Limited Dispositif de verrouillage de batterie, nouvel outil de transport de source d'énergie et procédé d'assemblage et de démontage de batterie d'alimentation
CN111959342A (zh) * 2020-08-31 2020-11-20 博众精工科技股份有限公司 车辆纠偏方法及系统及换电站

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CN113997826B (zh) * 2016-11-21 2024-02-13 上海电巴新能源科技有限公司 锁止方法及解锁方法
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WO2012176619A1 (fr) * 2011-06-20 2012-12-27 株式会社 豊田自動織機 Appareil d'installation d'unité de batterie de véhicule
JP2013001336A (ja) * 2011-06-20 2013-01-07 Toyota Industries Corp 車両用バッテリユニット装着装置
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EP2679456A1 (fr) * 2012-06-27 2014-01-01 Kookmin University Industry Academy Cooperation Foundation Système de station de charge de type échange de batterie pour véhicule électrique
US9156360B2 (en) 2012-07-01 2015-10-13 Kookmin University Industry Academy Cooperation Foundation Battery exchanging-type charging station system for electric vehicle
EP3336929A4 (fr) * 2016-08-10 2019-08-21 Nio Nextev Limited Dispositif de verrouillage de batterie, nouvel outil de transport de source d'énergie et procédé d'assemblage et de démontage de batterie d'alimentation
US10763474B1 (en) 2016-08-10 2020-09-01 Nio Nextev Limited Battery lock-up device, new energy vehicle, and method for installing/detaching power battery
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CN102666165B (zh) 2015-05-13
EP2497664A4 (fr) 2013-11-13
CN102666165A (zh) 2012-09-12
US8511413B2 (en) 2013-08-20
JP2011098644A (ja) 2011-05-19
JP5136539B2 (ja) 2013-02-06
US20120217077A1 (en) 2012-08-30
EP2497664B1 (fr) 2017-06-21
EP2497664A1 (fr) 2012-09-12

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